#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
int main()
{
	int x = 0, y = 0;
	scanf("%d",&x);
	if (x < 0)
	{
		y = -1;
	}
	else if(x == 0)
	{
		y = 0;
	}
	else if(x > 0)
	y = 1;
		printf("y=%d", y);
	return 0;
}







